I was informed by tech support that I couldn't upgrade my SUM4 from 4.0.*** to 4.1.***, and I would have to install a new UTM Manager, and restore the configuration onto it.
I did that, but the result was that the backup does not back up everything, and so the restore was incomplete and resulted in a lot of disruption to Internet access, as PAC file and categorizations were not available on the managed UTM's.
I've recovered from that by removing the UTM Manager, reverting the devices to independent management, and I'm starting again.
Before I do, I want to find out.
1) What is the proper sequence to ensure no downtime in the UTM's when deploying the UTM Manager? I plan to create OU's, assign devices, then import configurations from the devices, as outlined in the admin guide.
But it seems to me that if I create the OU's without having the configurations, it will auto-configure and wipe out definitions on the devices.
It seems to me that I need to import configurations *first*, then create the OU's and assign devices. Because auto-configuration will then send the imported data down to the devices.
This may seem long-winded but there's not a lot of guidance around the proper order of procedure. After initial setup, the admin guide just leaves you hanging. Anyone have experience with this?
Thanks!
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